/*
 * Copyright 2008 Christopher Davies
 * 
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 * 
 *     http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package com.googlecode.textish.tokenizer;

import java.util.ArrayList;
import java.util.List;

/**
 * Represents a single character.
 * 
 * @author cgdavies
 * 
 */
public class CharToken extends AbstractToken {

	public CharToken(int index) {
		super(index, index + 1);
	}

	/**
	 * Builds a list of {@link CharToken}s from a {@link CharSequence}.
	 * 
	 * @param seq the input sequence
	 * @return the list of {@link CharToken}s
	 */
	public static List fromCharSequence(CharSequence seq) {
		List ret = new ArrayList(seq.length());

		for (int i = 0; i < seq.length(); ++i)
			ret.add(new CharToken(i));

		return ret;
	}

}
